Cita APA

Sheppard, P. M. (1960). Natural selection and heredity. New York: Harper and Brothers.

Chicago Style Citation

Sheppard, P. M. Natural Selection and Heredity. New York: Harper and Brothers, 1960.

Cita MLA

Sheppard, P. M. Natural Selection and Heredity. New York: Harper and Brothers, 1960.

Atenció: Aquestes cites poden no estar 100% correctes.